000 00633cam a22001934a 4500
003 EC-PaCDF
005 20200720120755.0
008 050411s1980 ||||||||||||||||||||eng|d
020 _cNormal
040 _aEC-PaCDF
_bspa
_cEC-PaCDF
041 _aeng
082 0 4 _223
_a333.7
110 2 _aInternational Geographic Union
245 1 0 _aStudy and control of anthropogenic transformation of natural ecosystems /
_cInternational Geographic Union.
260 3 _aMoscow, URSS :
_bSymposium of the IGU Commission on Evironmental Problems,
_c1980.
300 _a328 p. ;
_bil., tablas, mapas;
_c21 cm.
546 _aIngles
942 _2ddc
_cBOOK
999 _c278
_d278